2026 Lexus TX500H Engine Parts

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

32 Oil parts for the 2026 Lexus TX500H come from 5 brands — VALVOLINE, MOBIL, IDEMITSU and 2 other brands. The "Popular" part is LIQUI MOLY 2208. They are grouped as Full Synthetic and High Mileage (>75,000 Miles), with Full Synthetic the largest group at 25 parts from IDEMITSU, VALVOLINE, LIQUI MOLY and 2 other brands.

This table covers the drain plugs in the oil pan. Read more

This group shows a single part: REIN HWU0112.

This table covers the caps on the oil filler neck. Read more

This group shows a single part: MOTORAD MO155.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

11 Oil Filter parts for the 2026 Lexus TX500H come from 8 brands — VARIOUS MFR, BOSCH, FVP and 5 other brands. The "Popular" part is VARIOUS MFR PG4476.

The Economy section lists 5 options from VARIOUS MFR, BOSCH, FVP and 1 other brand — the catalog's value-priced group. VARIOUS MFR PG4476 is listed in this group.

The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1103A is listed in this group.

In the Standard Replacement grade, ACDELCO, BECK/ARNLEY, BOSCH and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is ACDELCO PF1233.

This table covers the chains that drive the oil pump. Read more

One part is listed for the 2026 Lexus TX500H — MELLING 1110.

This table covers the Oil Pump Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

This group shows a single part: MELLING BT7064.

This table covers the timing chains that keep the cams in time with the crank. Read more

One part is listed for the 2026 Lexus TX500H — MELLING 1109.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

2 Timing Chain & Component Kit parts for the 2026 Lexus TX500H come from MELLING.

Listed part numbers: MELLING 31109SAX and MELLING 31109SX.

This table covers the guides and dampers that keep the timing chain on its path. Read more

MELLING supplies the 3 Timing Chain Guide / Damper parts for the 2026 Lexus TX500H.

Part numbers include MELLING BG7070, MELLING BG7071 and MELLING BT7088.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

This group shows a single part: MELLING BT7089.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS VVT847.